diff options
author | Jerome Brunet <jbrunet@baylibre.com> | 2018-07-17 17:42:50 +0200 |
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committer | Mark Brown <broonie@kernel.org> | 2018-07-18 13:08:35 +0100 |
commit | e32d99af6830c9a8f37b4f2637ef0cdc60fa79fb (patch) | |
tree | 699e068c3873eb6637a215071fe1fbcbc4b600de /Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt | |
parent | bf270262b7b8bb7b48a846c613f74e800abba392 (diff) |
ASoC: meson: add axg fifos DT binding documentation
Add the DT bindings documentation for axg's FIFOs: TODDR and FRDDR.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt')
-rw-r--r-- | Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt b/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt new file mode 100644 index 000000000000..3dfc2515e5c6 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/amlogic,axg-fifo.txt @@ -0,0 +1,23 @@ +* Amlogic Audio FIFO controllers + +Required properties: +- compatible: 'amlogic,axg-toddr' or + 'amlogic,axg-frddr' +- reg: physical base address of the controller and length of memory + mapped region. +- interrupts: interrupt specifier for the fifo. +- clocks: phandle to the fifo peripheral clock provided by the audio + clock controller. +- resets: phandle to memory ARB line provided by the arb reset controller. +- #sound-dai-cells: must be 0. + +Example of FRDDR A on the A113 SoC: + +frddr_a: audio-controller@1c0 { + compatible = "amlogic,axg-frddr"; + reg = <0x0 0x1c0 0x0 0x1c>; + #sound-dai-cells = <0>; + interrupts = <GIC_SPI 88 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc_audio AUD_CLKID_FRDDR_A>; + resets = <&arb AXG_ARB_FRDDR_A>; +}; |